flagging vs aggregation

flagging and aggregation both are nouns.

Word	Noun	Adjective	Verb	Adverb
flagging	Yes	Yes	No	No
aggregation	Yes	No	No	No

As nouns, aggregation is a hypernym of flagging; that is, aggregation is a word with a broader meaning than flagging:

Other hypernyms of flagging include accumulation, assemblage, collection.

flagging (noun)	aggregation (noun)
a walk of flagstones	the act of gathering something together
flagstones collectively	several things grouped together or considered as a whole

flagging (adjective)	aggregation (adjective)
weak from exhaustion